main.cpp

#include "mainwindow.h"
#include <QApplication>
#include <omp.h>
#include <QDebug>
#include <iostream>

#define TRUE  1
#define FALSE 0
void aa()
{
    int n = 4;
    int *a, **b;


#ifdef _OPENMP
    (void) omp_set_dynamic(FALSE);
    if (omp_get_dynamic()) { printf("Warning: dynamic adjustment of threads has been set\n"); }
    (void)omp_set_num_threads(4);
#endif


    if ((a = (int *)malloc(n * sizeof(int))) == NULL) {
        perror("array a"); exit(-1);
    }


    if ((b = (int **)malloc(n * sizeof(int *))) == NULL) {
        perror("array b"); exit(-1);
    }
    else {
        for (int i = 0; i < n; i++)
            if ((b[i] = (int *)malloc(n * sizeof(int))) == NULL)
            {
                perror("array b"); exit(-1);
            }
    }

#pragma omp parallel shared(n,a,b)
    {
#pragma omp for
        for (int i = 0; i < n; i++)
        {
            a[i] = i + 1;
#pragma omp parallel
            for (int j = 0; j < n; j++)
                b[i][j] = a[i];
        }
    }


    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
            printf("b[%d][%d] = %d ", i, j, b[i][j]);
        printf("\n");
    }
}

//test
//extern "C" void getDeviceInfo();
//extern "C" void addWithCuda(int *c, const int *a, const int *b, unsigned int size);


int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
//    getDeviceInfo();
//    std::cout.flush();

    QFont font("Microsoft YaHei", 10);
    a.setFont(font);
    MainWindow w;
    w.show();

    return a.exec();
}